Iron Heart

Iron Heart IH-633s-14OD 14oz Lightweight Overdyed Size Chart

Every published measurement for the Iron Heart IH-633s-14OD 14oz Lightweight Overdyed, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.

CutRegular Straight
Maker's fit nameUnknown
Fabric14oz Lightweight Overdyed
MillNot listed
Sizes29–42

In a size 34, the Iron Heart IH-633s-14OD 14oz Lightweight Overdyed measures 31.5″ waist, 10.8″ front rise, 12.5″ thigh and 7.5″ leg opening. Sizes on its chart run from 3″ under the tag to 2″ under it, and each size up adds 1″. From knee to hem, the leg narrows 1.3″.

Measurements in inches, widths flat and waist doubled
SizeWaistFront RiseBack RiseThighKneeLeg OpeningInseam
29279.714.211.57.96.734.5
30289.814.311.586.834.5
31291014.511.88.3735
323010.314.511.758.57.135
3330.510.514.5128.87.335
3431.510.81512.58.87.535
3633.51115.3139.17.835
383511.515.513.89.68.2535
4037.51215.8149.88.535
42401215.813.510.258.7535

Scroll the table sideways for the rest of the columns.

Listed under: Straight · Regular · Biggest Waists

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About Iron Heart

Established in 2002 by Shinichi Haraki, Iron Heart began as a clothing brand for Japan’s motorcycling community, drawing on Haraki’s two decades in the Japanese garment industry, where he started as a pattern maker. Its company, Works Inc, is based in Japan with offices in Shibuya and Hachioji, and works mostly with small, family-run mills and workshops. The brand is known for heavyweight denim and durable fabrics, including Japanese-made jeans in cloth as heavy as 21oz and beyond.

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Source: retailer size chart (opens in new tab). Last verified 2026-10-16. Always confirm with the retailer before buying — fits are re-cut seasonally.